| Lord of the Lost | RockRoca duraBaladaHeavy metal | 3 |
| Anna Oxa | Pop | 1 |
| Olexesh | Rap / hip-hop | 3 |
| Sun of Freedom | Rap / hip-hopSoundtrack | 4 |
| Oleg Shaumarov | Pop | 2 |
| Element of Crime | Música hindiRockBlues / Blues rockPop | 4 |
| Orietta Berti | Pop | 1 |
| OTTA | Música instrumental | 1 |
| Oxlade | Soul | 1 |
| OMNIA | Folk | 1 |
| Oliver Jackson | Soundtrack | 1 |
| Three Days of Rain | RockMúsica alternativa / Rock alternativoRap / hip-hopSoundtrackPopPop Rock | 10 |
